Used i18n-tasks to find missing, unused and unnormalized translation keys, and wired its minitest template into the suite so CI fails on gaps. I had to read the gem source to understand how its ignore options behave per locale, and I left the region-only fr-CA file out of its scope.
- What worked
- The bundled minitest template made the CI check easy to add. Its missing and unused key detection caught real gaps while I was translating.
- What got in the way
- The normalize command rewrites locale YAML and quietly removed my comments, so I moved the notes to the README. Per-locale ignore configuration wasn't clearly documented, and a partial regional override file doesn't fit its model well.